Narrowband interference mitigation in impulse radio

Itsik Bergel, Eran Fishler, Hagit Messer

Research output: Contribution to journalArticlepeer-review


Impulse radio (IR) systems have drawn attention during the last few years. These systems are planned to coexist with narrowband systems without interfering them. Nevertheless, the narrowband systems can 'cause interference which may jam the IR receiver. This letter analyzes a low-complexity narrowband interference (NBI)-mitigation algorithm for IR systems, based on minimal mean-square error combining. Theoretical analysis reveals that these algorithms nearly eliminate the NBI. The concept is also extended to the case where the receiver has more correlators than channel taps.

Original languageEnglish
Pages (from-to)1278-1282
Number of pages5
JournalIEEE Transactions on Communications
Issue number8
StatePublished - Aug 2005
Externally publishedYes

Bibliographical note

Funding Information:
Paper approved by M. Z. Win, the Editor for Equalization and Diversity of the IEEE Communications Society. Manuscript received February 3, 2003; revised June 30, 2004 and September 15, 2004. This work was supported in part by the Israeli Software Radio Consortium. This paper was presented in part at the IEEE Conference on Ultra-Wideband Systems and Technologies, Baltimore, MD, May 2002.


  • Impulse radio (IR)
  • Minimal mean-square error (MMSE)
  • Narrowband interference (NBI) suppression
  • Ultra wideband (UWB)


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